Answer is 8
Work Shown:
f(x) = sqrt(5*x + 4)
f(12) = sqrt(5*12 + 4) ... replace every x with 12
f(12) = sqrt(60 + 4)
f(12) = sqrt( 64 )
f(12) = 8
Here you go I hope I helped
That is a 30 60 90 triangle.
Read about those here: http://www.1728.org/trig2.htm
Someone told me if I answer a question I can watch videos to unlock my answer sorry
The ratio to this problem will have to be 15 to 54
